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Date: Tue, 19 Feb 2008 14:31:20 -0500 (EST)
From: Alan Stern <stern@rowland.harvard.edu>
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To: Andre Tomt <andre@tomt.net>
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Subject: Re: USB OOPS 2.6.25-rc2-git1
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On Tue, 19 Feb 2008, Andre Tomt wrote:

> Got this on a serial console today, using 2.6.25-rc2-git1. Machine was 
> not doing anything interesting at the time, but has its / and kernel on 
> a usb-storage device (usb pen drive).
> 
> Intel ICH8R chipset (and USB controller), running x86_64 kernel. I'll 
> post .config and some additional info when I get home later if it isn't 
> obvious what broke.
> 
> > BUG: unable to handle kernel NULL pointer dereference at 0000000000000080
> > IP: [<ffffffff88063d11>] :ehci_hcd:end_unlink_async+0x17/0xfa

Can you provide some sort of disassembly listing of end_unlink_async, 
to determine which C statement contained the NULL pointer dereference?

Alan Stern

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